| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 11/10/1987 | CA1228956A1 Article and method for maintaining more even concentrations of bleach in a passive dosing dispenser |
| 11/07/1987 | CN86206571U Household electrolytic water purifier |
| 11/05/1987 | WO1987006758A1 Novel compositions and method for control and clean-up of hazardous acidic spills |
| 11/05/1987 | WO1987006757A1 Novel compositions and method for neutralization and solidification of hazardous alkali spills |
| 11/05/1987 | WO1987006573A1 Installation for treatment of sediments of natural and sewage waters |
| 11/05/1987 | WO1987006491A1 Device for dephenolating waste water from coking plants |
| 11/05/1987 | DE3714591A1 Process and apparatus for treating digested sewage sludge |
| 11/05/1987 | DE3708810A1 Softener-distributor |
| 11/05/1987 | DE3628611A1 Process and preparation for the treatment of damage to plants, in particular to forests, to the soil and/or to water, caused by air pollution |
| 11/05/1987 | DE3615132A1 Verfahren zur entphenolung eines konzentrates einer umkehr-osmose-anlage einer kokerei Method of dephenolising a concentrate of a reverse-osmosis unit of a coking plant |
| 11/05/1987 | DE3614865A1 Device for sludge treatment |
| 11/04/1987 | EP0244029A1 Equipment for the anaerobic purification of waste water |
| 11/04/1987 | EP0243990A1 Device for inward suction of liquid |
| 11/04/1987 | EP0243846A2 Process and apparatus for the disinfection of water |
| 11/04/1987 | EP0243780A2 Polycationic block copolymers |
| 11/04/1987 | EP0243664A2 Process for purifying flue gas |
| 11/04/1987 | EP0243557A1 Apparatus and method for removing strontium and/or cesium ions from an aqueous solution containing chemical hardness |
| 11/04/1987 | CN87201791U Drinking water fluorine removal device by controlling primary water ph |
| 11/04/1987 | CN86102844A Turbine dissolved gas releaser |
| 11/04/1987 | CN86100922A Method of domestic drinking water defluorination by natural freezing |
| 11/03/1987 | US4704245 Method and apparatus for monitoring break of ion adsorption apparatus |
| 11/03/1987 | US4704209 Improved compaction |
| 11/03/1987 | CA1228938A1 Biological flocculation of mineral slimes |
| 11/03/1987 | CA1228872A1 Method of and apparatus for the treatment of sludge from a flue gas desulfurization plant |
| 11/03/1987 | CA1228807A1 Mixtures having biocidal activity |
| 10/28/1987 | EP0242665A2 Apparatus for the expulsion of light volatile pollutants from liquids |
| 10/28/1987 | EP0242641A2 Process for waste water treatment |
| 10/28/1987 | EP0242533A1 Method and apparatus for conditioning feed-water by means of ozone for reverse osmosis |
| 10/28/1987 | EP0242426A1 Method and device for making an ice crystal suspension by triple point freeze evaporation |
| 10/27/1987 | US4702844 Water soluble polymers from ethylenically unsaturated monomers having pendant hydrophobic groups |
| 10/27/1987 | US4702838 Contacting with oxime or phosphoric acid ester complexing agents |
| 10/27/1987 | US4702829 Closed dialysis solution cycle |
| 10/27/1987 | US4702804 Methods for electrochemical reduction of halogenated organic compounds |
| 10/27/1987 | US4702270 Dispersal member |
| 10/21/1987 | EP0242029A2 Method and articles employing ion exchange material |
| 10/21/1987 | EP0241496A1 Process for simultaneous extraction of so 2? and no x? contained in waste gases |
| 10/21/1987 | CN87200805U Electromagnelized energy economizer with double-coil |
| 10/21/1987 | CN87101969A Method for treating waste water from catalytic cracking unit |
| 10/20/1987 | US4701500 A glycine hydroxamate-modified carrier of polysaccharides, galactans, polyacrylamide or silica; sterilization |
| 10/20/1987 | US4701265 Chlorinating apparatus |
| 10/20/1987 | US4701264 Rapid settling using an anionic terpolymer of an acrylamide, an unsaturated acrylic acid salt and hydrophobic monomer |
| 10/20/1987 | US4701263 Precipitation with heating |
| 10/20/1987 | CA1228431A1 Enzymatic removal of aromatic hydroxy compounds and aromatic amines from waste waters |
| 10/15/1987 | DE3712142A1 Verfahren zum reinigen von solen Consoles method for purifying |
| 10/15/1987 | DE3612313A1 Process and apparatus for separating the solids from the carrier liquid in suspensions |
| 10/15/1987 | DE3612188A1 Solar sea-water desalination plant |
| 10/14/1987 | EP0241167A1 Process and apparatus for the separation of foreign matter from a liquid by flotation |
| 10/14/1987 | EP0241090A2 Magnetic water treatment process |
| 10/14/1987 | EP0240974A2 Injection control system of flocculating agent |
| 10/14/1987 | EP0240725A2 Resin pressure sensor for water treatment |
| 10/14/1987 | CN87200886U Effective floating tank for electrolysis-coagulation |
| 10/14/1987 | CN86102044A Chalybeate underground water used as coagulant |
| 10/13/1987 | US4699951 Mixture of vinyl homopolymer and, acrylamide copolymerized with vinyl polymer |
| 10/13/1987 | US4699721 Method and apparatus for separating contaminants from fluidizable solids |
| 10/13/1987 | US4699700 From organic wastes |
| 10/13/1987 | CA1228199A1 Method for removing cesium from an aqueous liquid, method for purifying the reactor coolant in boiling water and pressurized water reactors and a mixed ion exchanged resin bed,useful in said purification |
| 10/13/1987 | CA1228182A1 Process for thickening digested sludge |
| 10/13/1987 | CA1228032A1 Process for removing pyrogens utilizing a hydrophobic microporous membrane |
| 10/08/1987 | WO1987005811A1 Sanitary device |
| 10/07/1987 | EP0240427A2 Method and apparatus for the distillation of sea water |
| 10/07/1987 | EP0240348A2 Agent for the removal of nucleic acids and/or endotoxin and method for the removal thereof |
| 10/07/1987 | EP0240143A2 A process for removing fluoride and phosphorus type contaminants from acidic waste water |
| 10/07/1987 | CN86207506U Water purifying device for live fish transportation |
| 10/07/1987 | CN86108760A Method of rapidly dissolving polymer gels in water |
| 10/06/1987 | US4698171 Synthetic organic polymers for the selective flocculation of titanium and iron ores |
| 10/06/1987 | US4698165 Pretreatment with bromide salts |
| 10/06/1987 | US4698164 Filter apparatus |
| 10/06/1987 | US4698163 Treatment of phosphate-containing wastewater |
| 10/06/1987 | US4698162 Method for prevention of metallic precipitate reoxidation/redissolution in aqueous systems |
| 10/06/1987 | US4698154 Reverse osmosis water treatment, membrane stacks |
| 10/06/1987 | US4698153 Supercritical carbon dioxide to remove projections from resin surface |
| 10/06/1987 | US4698136 Hydrocarbons and salts removed by degassing, evaporation and condensation in oxygen-free system; water purification |
| 10/06/1987 | US4698135 Desalinating drip-irrigation system |
| 10/06/1987 | CA1227720A1 Liquid neutral one step coagulating agents for lacquers and coating materials |
| 10/01/1987 | DE3618279A1 Method for heating and vaporising or evaporating a liquid by solar energy, apparatus for carrying out the method and use of the method and the apparatus |
| 10/01/1987 | DE3610766A1 Process and arrangement for preparing and metering a solution of chemicals |
| 10/01/1987 | DE3609705A1 Method for preheating, in a thermal compression unit, a solution saturated with an agent forming encrustation |
| 09/30/1987 | EP0239037A2 Pond installation for biological purification of polluted waste water |
| 09/30/1987 | EP0238975A1 Process for activating hydrogen peroxide for the oxidation of non-biodegradable toxic substances |
| 09/30/1987 | EP0238773A1 Apparatus for raising the oxygen concentration in water |
| 09/30/1987 | EP0238731A2 System for removing toxic organics and metals from manufacturing wastewater |
| 09/30/1987 | EP0238723A2 Method of rapidly dissolving polymer gels in water |
| 09/30/1987 | EP0238639A1 Method of treating fluids. |
| 09/30/1987 | EP0238511A1 Method and device for the oxygen enrichment of waters |
| 09/30/1987 | CN87101033A Process for treating organic waste water by extracting with a third phase |
| 09/30/1987 | CN86206525U Magnetic treatment apparatus of fluids (water, fuel oil) |
| 09/29/1987 | US4696802 Drilling geothermal wells with removal of H2 S |
| 09/29/1987 | US4696750 Flocculation of particles by polymers that precipitate out of solution |
| 09/29/1987 | US4696749 Oxidative treatment of wastewaters |
| 09/29/1987 | US4696742 Active carbon fibers and filter adsorption unit for water purification comprising said fibers |
| 09/29/1987 | US4696739 Water purification apparatus |
| 09/29/1987 | US4696718 Water purification device |
| 09/24/1987 | WO1987005738A1 System for irradiating liquids with radioactive beams |
| 09/24/1987 | WO1987005593A1 System for biological purification of water |
| 09/24/1987 | WO1987005592A1 The use of hydrophobic zeolites as adsorption material at the biological purification of wastewater |
| 09/24/1987 | WO1987005535A1 Process of affecting coal agglomeration time |
| 09/23/1987 | EP0238148A1 Method for purifying waste water |
| 09/23/1987 | EP0237793A2 Process and apparatus for treating and disinfecting swimming-pool and bath-tub water by means of chlorine and ozone |
| 09/23/1987 | EP0081562B1 Process and apparatus for recovering usable water and other materials from oil field mud/waste pits |
| 09/23/1987 | CN87101755A Baling machines and baled products |